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Student protesters dancing at Tiananmen Square before the massacre, Beijing, China, 1989
(lemmy.world)
https://en.wikipedia.org/wiki/1989_Tiananmen_Square_protests_and_massacre
The protests lasted over a month; the massacre ended them in a flood of state-sponsored murder.
Sit tight; I will ask my bro-in-law. He will, no doubt, have an answer. If not, he'll at least have a reason why it doesn't exist ๐ Recommendation incoming.
Dot to come back and look at recommendations.
Have responded to OP above :)